<html>
<body>
<span>
  Specifies annotations for parameters and return type of a function.
</span>
<br/>
<span>
  If there is type information collected in run-time, it is used to set the default values of types.
</span>
<br/>
<span>
  Refer to <a href="https://www.python.org/dev/peps/pep-0484/">PEP-484</a> for more details about type hints.
</span>
</body>
</html>